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Résultats de la recherche - 3 results
Is the European Health Interview Survey online yet? Response and net sample composition of a web-based data collection.
organized using the EHIS wave 3 model questionnaire. The sample was selected according to a multistage, clustered sampling procedure with geographical stratification. Field substitution was applied; ...
Short-term effects of nitrogen dioxide on hospital admissions for cardiovascular disease in Wallonia, Belgium.
the association is strongest with a delay of 2days. All associations calculated without stratification are statistically significant and range from an excess relative risk of 2.8% for myocardial ...
Additional weighting for education affects estimates from a National Health Interview Survey.
educational groups are underrepresented in the sample, estimates may be biased. This study investigated the impact of the use of post-stratification weights that adjust for the population distribution by ...